Absolutely No Hacking Needed

Best Rooftop Waterproofing Services in Singapore

Stop roof leaks, ceiling stains and rainwater seepage fast — no hacking for suitable roof slab, RC roof, flat roof and concrete seepage cases, minimal noise, minimal downtime.

For landed roof waterproofing cases, we provide BCA-trained inspectors who can advise on the right repair approach.

10+ Years Waterproofing Performance

We use Class 1 Nano Solution for Waterproofing, made in Canada where high-penetration nanoparticles sink deep into concrete, cement, and tiles for waterproofing durability.

Request For Site Visit Within 24H

200+ 5 Star Google Reviews

Backed by top-rated feedback from real homeowners all across Singapore with over 1K+ success cases.

Bio-safe, Family-friendly

100% bio-safe and odourless waterproofing, so your family, children and pets stay completely safe.

HDB Approved, bizSAFE 3

All our inspectors are BCA-trained in internal and external waterproofing for compliance.

Get A Diagnosis

Common Roof Leak & Seepage Symptoms

Roof leaks don’t always show up where it pools — water can travel across the roof slab or along a crack before staining a ceiling metres away. Here are tell-tale signs to act on:

Ceiling water stains after heavy rain
Damp patches on top-floor ceilings
Water dripping during monsoon storms
Ponding water on flat roof slab
Cracks on roof slab, parapet wall, coping or corners
Blistering or peeling roof coating
Mouldy smell or recurring dampness below the roof
Efflorescence on ceiling or upper walls (white powdery stains)
Leaks near drainage outlets, pipe penetrations, skylights, roof hatches or AC ledges

If you see these signs, it’s important to investigate and address the issue promptly. Waiting often leads to further property damage and mould.

Here's Where We Apply Roof Waterproofing

Our roof waterproofing covers the range of seepage problems Singapore roofs face, from HDB rooftops to landed house roofs:

Flat Roof Waterproofing

RC flat roof slabs exposed to direct sun, rain and ponding are prone to hairline cracking over time. Our nano treatment penetrates the slab to seal these micro-cracks and porous concrete without hacking, where suitable.

RC Roof Waterproofing

Reinforced concrete roof slabs naturally develop capillary pores and hairline cracks with age. Our nano solution bonds inside the slab to create a permanent hydrophobic barrier while keeping the concrete breathable.

Roof Terrace Waterproofing

Roof terraces see heavy foot traffic and prolonged water exposure. We treat the floor and upturn details to prevent seepage into the ceiling below, while preserving your existing terrace finish.

Parapet Wall Waterproofing

Parapet walls and coping are common leak points due to hairline cracks and poor joint sealing. Our nano-infusion penetrates these surfaces to block water ingress at the source.

Roof Garden & Planter Box Waterproofing

Roof gardens and built-in planters retain moisture against the concrete for long periods, accelerating seepage. Our treatment seals the underlying slab and joints to protect the structure beneath planting areas.

Metal Roof / Awning Leak

For metal roofing, awnings and non-concrete roof structures, nano concrete waterproofing may not be the primary fix — leaks are usually related to flashing, fasteners or panel laps. We assess the actual leak source and recommend the suitable repair system for these cases.

Landed House Roof Waterproofing

Landed home roofs combine flat slab sections, sloped tiled sections and parapet walls. We assess each section individually and treat concrete areas with nano waterproofing where suitable.

Commercial Roof Waterproofing

We handle roof waterproofing for commercial and industrial properties, including large flat roof slabs and rooftop mechanical areas, with an initial assessment before work begins. Contact us for a site survey in advance.

We fix the cause. Stop paying twice.

Previous Contractor Didn't Fix the Leak? Here’s Why.

Over 40% of the waterproofing jobs we take on are actually correcting another contractor’s mistake.

Most quick fixes fail within 3 to 12 months because of three common mistakes:

1. Wrong Diagnosis & Surface Level Fixes

General contractors apply cheap roof coatings over the visible stain without tracing the actual leak path. Water may enter through roof slab cracks, parapet walls, drainage outlets, pipe penetrations, failed membrane laps, roof garden planters, skylights or adjoining walls. We use moisture meter and visual inspection to trace the leak to its true source — no guessing games.

2. Surface Coating Over a Damp or Contaminated Substrate

Cheap roof coatings or sealants fail fast when applied over trapped moisture, ponding areas, dust, algae growth or a degraded membrane. Sealing over a wet or contaminated surface traps moisture underneath, causing the treatment to fail within months. See how our advanced method works for durability.

3. Ignoring Ponding, Cracks & Detail Areas

Most roof leaks return because contractors only coat the main slab and skip parapet corners, upturns, wall-floor joints, drain outlets, expansion joints and pipe penetrations — exactly where water concentrates and finds its way in.

Get it fixed properly once and for all with Atlas Works, contact us to enquire at +65 8800 0567.

Your Peace of Mind, Our Priority.

At Atlas Works, we use advanced Canadian nano-technology to seal your roof slab and concrete surfaces deeply and invisibly for suitable seepage cases. No dust, no noise. Protect your home with permanent water repellency backed by a 3-year warranty.

Important: If the existing roof membrane has widespread failure, the roof has severe ponding due to poor slope, structural cracks, active pipe leakage, or extensive substrate breakdown, re-membraning or hacking may still be required. Our team will diagnose the source first and recommend the most suitable repair method instead of applying nano treatment blindly.

The Nano Technology Advantage

Waterproofing Engineered for A Full Peace of Mind

Features & Advantages

Nano Waterproofing vs. Traditional Tile Hacking

Traditional roof waterproofing relies on physical membranes laid over the slab, which degrade under prolonged sun and rain exposure. Our advanced hydrophobic nano-infusion works at the microscopic level to seal porous concrete and hairline cracks, without breaking the existing roof surface — for suitable cases.

Feature	Nano Waterproofing	Traditional Waterproofing
Average Cost	$ (Save up to 70%)	$$$$
Duration	Same-day to 1-day targeted treatment	3 to 7 Days or longer
Noise & Dust	No hacking noise, low-disruption application	Extremely High Noise & Dust
Downtime	Minimal access restriction after curing	Roof out of service for days
Surface Impact	Existing roof slab/tile surface retained	Membrane, screed or tiles removed
Best For	Porous concrete, hairline cracks, joints, seepage paths	Severe membrane failure, structural defects, poor slope/ponding
Performance	10+ Years where substrate is suitable	1 to 5 Years, varies by membrane/workmanship

5 Star Reviews

What Our Customers Say

      EXCELLENT  
   Based on 215 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   ChingHong Koh 
 
 
 
 Trustindex verifies that the original source of the review is Google. I chanced upon Atlas Works from a social media posting, contacted them via whats app - and within a day or two, they responded - asked a few questions, I sent them photos of affected areas of my home - balcony, parapet, internal and external walls, floors etc.  A site visit was arranged where Xavier - business development and technical person - came, went thru the concerned areas and gave me and my wife a snapshot of the root problems …. I have hired other waterproofing contractors before - but over the years all they did was replaster, recoat with waterproofing and painting .. but problem persists. A few years ago, i even hacked and replaced my balcony flooring and tiling .. still, we had problems.   What impressed us most was how Xavier identified the root problems - he found hollow areas below my floor tiles, hollow areas on the parapet walls, and also reasons for water ingress into those areas; and he tells us the various ways (including nano grouting and nano crystalline solutions )  to fix the problems .  It was all very logical and first time we hear such good analysis.  We also have a swimming pool that needed regrouting (after 8 years), and he explains what they can do with nano-grouting.  We also have a basement floor where water were seaping thru the tiles .. and they also explained the reasons and what can be done.
After a few sites visits and with additional members Edwin, Sohel, Morinul - we decided to go ahead with Atlas Works.  Eric also contacted me whilst he was travelling, and came to also visit us.  There were two teams - it seems they are specialised in different methods - that over 8 days - came to do the work. The team were diligent, quiet, and cleaned up every day after the works.  They come on time and leave on time so our family schedules were not disrupted.  Xavier has consistently been in touch with me through the process, and did a final inspection at the end of the scope of works.   Warranty of their works and products demonstrate their confidence and reputation - which is another reason why we went with them.  Thus far, i am happy with the working relationship, the trust, and very fast response.

Owner's reply
Really glad the site visit and root-cause diagnosis gave you and your wife the clarity that other waterproofing contractors couldn't provide over the years. Tracing water seepage properly — hollow areas under tiles, parapet walls, the works — takes real experience, and that's exactly what Xavier's assessment reflected before any repair began. Good to hear the two teams stayed diligent and kept things tidy across those 8 days, arriving and leaving on schedule so your household routine wasn't disrupted. Thank you for trusting us with the pool regrouting and basement seepage as well — our team looks forward to keeping that same responsive, straightforward service going.
  
 
      Posted on Google  
   
   Tony Kork 
 
 
 
 Trustindex verifies that the original source of the review is Google. Good n responsive company 。Good job

Owner's reply
Appreciate the kind words, Tony. Glad our team's prompt response and workmanship gave you a smooth experience. Thanks for the support!
  
 
      Posted on Google  
   
   Merrill Mathew Babu 
 
 
 
 Trustindex verifies that the original source of the review is Google. I would like to commend Atlas Works Pte Ltd for the bathroom waterproofing works they completed at my HDB flat.

We had almost given up hope of fixing the water leakage, but Atlas Works came through and resolved it perfectly. Eric was very helpful in guiding us and managing how to settle the issues and he was accommodating on our requests.

Atlas Works Pte Ltd has proven themselves to be a reliable and skilled waterproofing company. Strongly recommended.

Owner's reply
Glad our team could turn things around on the bathroom waterproofing, Merrill — persistent water leakage in an HDB flat can wear anyone down before it's finally resolved. Eric will be pleased to hear his guidance and flexibility made the process easier for you. Thank you for the strong recommendation and for trusting Atlas Works with your home.
  
 
      Posted on Google  
   
   Soo Min Tay 
 
 
 
 Trustindex verifies that the original source of the review is Google. Really happy that we chose Atlas Works Pte Ltd for the waterproofing works the team did in our bathroom.
From our first whatsapp message to the team  to the completion of the water proofing, the whole process was smooth, prompt and reliable.
We highly recommand Atlasworks to our friends, should the occasion arise.

Owner's reply
Thank you, Soo Min — glad the bathroom waterproofing went smoothly from that first WhatsApp enquiry right through to completion. Our team places a lot of emphasis on prompt response and keeping the process straightforward for clients, so it's good to hear that came through. Appreciate you recommending Atlas Works to your friends.
  
 
      Posted on Google  
   
   Chung Hua teo 
 
 
 
 Trustindex verifies that the original source of the review is Google. My toilet fail the HIP water ponding test.After much research, we selected Atlas Works Pte Ltd for bathroom waterproofing at our HDB flat. Definitely the right decision.

Although I had failed my 1st water-ponding test. I had called Eric and Edwin and they immediately send their men to rectify the works. Our waterproof  issue is finally gone thanks to Atlas Works — something we'd been dealing with for far too long. We didn't have to worry about hacking damage at our home. The work was done cleanly and efficiently. Their warranty shows they are willing to stand behind their work. Very commendable.

Atlas Works Pte Ltd delivers quality work backed by genuinely professional and attentive service. Worth to engage them.

Owner's reply
Good to know things worked out, Chung Hua teo. Water leakage issues can be stressful to live with day to day, so glad it's sorted now. Bathroom areas see daily water exposure, so proper toilet waterproofing really does pay off over time.
  
 
  
  
 
     Verified by Trustindex  Trustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more

How We Do It

Our 4 Step Nano Process

Most roof waterproofing fails because standard coatings only sit on top of the slab — eventually blistering, cracking, and letting water back in.

At Atlas Works, we do things differently. We developed a 10+ year performance waterproofing method with a Class 1 Nano Solution, made in Canada for compliance and durability.

Step 1

Moisture Meter Diagnosis & Visual Inspection

We scan your roof slab, parapet walls and ceiling below using moisture meters and visual inspection to trace the leak path, check for ponding and slope issues, and verify the true source of water ingress.

Step 2

Surface Preparation

Our team thoroughly cleans, degreases, and removes algae, loose coating and damaged joint sealant from the roof surface and detail areas for maximum nano-solution absorption.

Step 3

Nano-Waterproofing

Our eco-friendly nano solution penetrates directly into the roof slab, concrete screed, parapet walls and joint lines. The chemical permanently bonds with the substrate to create an envelope system — blocking water from entering while allowing vapour to escape. Where our diagnosis finds membrane failure, structural cracks or poor drainage slope, we advise on the appropriate hacking or re-membraning solution instead.

Step 4

Waterproofing Report & 3 Years Warranty

Get a Written Service Report endorsed by a BCA-trained inspector, backed by a 3-year warranty — the longest in the industry for waterproofing repair.

Waterproofing Experts Answers

Frequently Asked Questions

Got questions about persistent roof leaks, failed past coatings, ponding water, or HDB/MCST rules? Here are quick, honest answers to what Singapore homeowners ask us most.

Can roof waterproofing be done without hacking?

For most hairline crack, porous concrete and joint seepage cases, yes — our nano solution penetrates the existing roof slab without removing tiles, coating or membrane. Where the membrane has widespread failure, the slab has structural cracks or there is severe ponding from poor slope, hacking or re-membraning may still be required. We diagnose first and recommend accordingly.

Is nano waterproofing suitable for flat concrete roofs?

Yes. Flat RC roof slabs are a common application for our nano solution, as the concrete’s natural pores and hairline cracks are exactly what the nanoparticles are designed to penetrate and seal.

Can it fix roof leaks during heavy rain?

Nano waterproofing addresses the seepage path so water is repelled at the source, which helps significantly during heavy rain and monsoon exposure. However, if ponding water sits for extended periods due to poor drainage slope, that drainage issue should be corrected alongside waterproofing for a lasting result.

What if my roof has ponding water?

Ponding is usually a sign of a slope or drainage issue rather than a waterproofing membrane issue alone. We assess whether nano treatment alone is sufficient or whether drainage correction is also needed, and advise accordingly.

Does it work on parapet walls and roof cracks?

Yes. Our nano-infusion penetrates hairline cracks and porous concrete on parapet walls, coping and roof slab surfaces to create a hydrophobic barrier at these common leak points.

Can you waterproof roof terraces or roof gardens?

Yes. We treat roof terrace floors and the concrete beneath roof garden planters, where the nano solution is suitable for the substrate and moisture exposure involved